H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps

Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
11/2006
11/16/2006	DE102005022374A1 Electronic cut in unit and adjustment method for electric lamps especially fluorescent lamps has information element holding at least one characteristic operational parameter and/or its adjustment in code
11/16/2006	DE102005021595A1 Electronic cut in unit and process to operate a fluorescent lamp has half-bridge inverter and voltage divider with lamp between them and a changeable inverter ratio to give desired dc lamp current
11/16/2006	DE102005021297A1 Beurteilung des Zustands einer Heizwendel Assessing the condition of a heating coil
11/15/2006	EP1722610A1 Monitoring of the status of a discharge lamp filament
11/15/2006	EP1722609A2 Plasma lighting system and control method thereof
11/15/2006	EP1722607A2 Electric lamp and lighting system, and method for operating said electric lamp and lighting system
11/15/2006	EP1721494A1 Evg, or electronic intermediate unit for illuminating elements provided with a programmable or configurable control unit
11/15/2006	EP1721381A1 Current overload and voltage detection in a central point
11/15/2006	CN2838202Y Rechargeable lamp with power supply function
11/15/2006	CN2838142Y Current converter lighting drive circuit
11/15/2006	CN2837883Y Light source drive circuit
11/15/2006	CN1864446A Battery saving flash charger control
11/15/2006	CN1864317A Piezoelectric transformer driving apparatus and piezoelectric transformer driving method
11/15/2006	CN1863426A 等离子照明系统及其控制方法 Plasma lighting system and control method
11/15/2006	CN1863425A Fluorescent tube power supply circuit and transformer thereof
11/15/2006	CN1863424A Plug-in type environment protection energy saving electronic ballast
11/15/2006	CN1285091C Lamp bulb and manufacturing method thereof
11/14/2006	US7135822 Transformer, lamp base having a transformer and high-pressure discharge lamp
11/09/2006	WO2006119082A2 Electronic ballast having missing lamp detection
11/09/2006	WO2006117809A1 Control device for a discharge lamp
11/09/2006	US20060250096 Power supply circuit and transformer thereof
11/09/2006	US20060250095 Driving method of external electrode fluorescent lamp inverter for backlight
11/09/2006	US20060250094 Electronic ballast
11/09/2006	US20060250093 Dimmer for use with a three-way switch
11/09/2006	US20060250092 Arrangement for the regulation of the electron beam power of an electron gun
11/09/2006	DE102005020773A1 Device for operating or starting high pressure discharge lamp has switching threshold voltage of voltage-dependent switching arrangement greater than or equal to ignition voltage of high pressure discharge lamp
11/09/2006	DE102005020178A1 Switching device for high pressure gas discharge lamp operation, has measuring device that stands in connection with frequency control unit such that power inverter circuit is controlled dependent on measured resonance parameter
11/08/2006	EP1720383A1 Discharge lamp operation device and projector
11/08/2006	EP1720382A1 Improved control system for fluorescent light fixture
11/08/2006	EP1719392A1 Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life
11/08/2006	EP1719034A2 A protective and measure device for multiple cold cathode flourescent lamps
11/08/2006	CN2836406Y Pen-type mercury lamp lighting circuit
11/08/2006	CN2836200Y Fireproof ballast
11/08/2006	CN1859822A Electronic ballast
11/08/2006	CN1284422C Low-harmonic compact type energy-saving lamp electronic ballast
11/08/2006	CN1284034C Illuminator and LCD using same
11/07/2006	US7132918 Inductive coil assembly
11/07/2006	US7132803 High efficiency 4-lamp instant start ballast
11/07/2006	US7132802 Method for varying the power consumption of capacitive loads
11/07/2006	US7132800 High-pressure discharge lamp
11/07/2006	US7131184 Method of manufacturing a long rod shaped ignition transformer integrated in an igniter unit
11/02/2006	WO2006115791A2 Control circuit for maintaining constant power in power factor corrected electronic ballasts and power supplies
11/02/2006	WO2006114965A1 Discharge lamp lighting apparatus and discharge lamp lighting control method
11/02/2006	WO2006114913A1 Discharge lamp lighting apparatus
11/02/2006	WO2006114730A2 Electronic lamp identification system
11/02/2006	WO2006114577A1 Brightness control of fluorescent lamps
11/02/2006	WO2006114176A1 Adjustable digital illuminating means output control
11/02/2006	WO2006114175A2 Parameterizable digital pfc (power factor correlation)
11/02/2006	WO2006114088A1 Component with a weld projection having a projection and lamp housing part comprising a component with a weld projection
11/02/2006	WO2006065653A3 Distributed intelligence ballast system and extended lighting control protocol
11/02/2006	US20060245220 DC-AC converter and controller IC therefor
11/02/2006	US20060244395 Electronic ballast having missing lamp detection
11/02/2006	US20060244393 Capacitive coupling to aid ignition in discharge lamps
11/02/2006	EP1718133A1 Improved control system for fluorescent light fixture
11/02/2006	EP1718132A1 Load failure protection circuit and discharge lamp driving apparatus
11/02/2006	EP1718131A2 Electroluminiscent lamp driving circuit and method
11/02/2006	EP1718130A2 Multi-phase input dimming ballast with flyback converter and method therefor
11/02/2006	EP1718129A1 High pressure discharge lamp operation device and operation method
11/02/2006	EP1718128A1 Electronic controller for high power gas discharge lamp
11/02/2006	DE202006006417U1 Electronic monitoring system for automatic identification of lighting unit type by measuring heater current
11/02/2006	DE102005018334A1 Lighting transformer for high intensity discharge (HID) lamp has three windings, with first and second windings wound in succession in two portions of core
11/02/2006	DE10010139B4 Verfahren zum Betrieb einer Leuchte, insbesondere für medizinische Anwendungen, sowie Leuchte mit Entladungslampe Method for operating a lamp, in particular for medical applications, as well as light with the discharge lamp
11/02/2006	CA2605610A1 Control circuit for maintaining constant power in power factor corrected electronic ballasts and power supplies
11/01/2006	CN2834101Y High voltage input backlight modular lamp tube drive circuit
11/01/2006	CN2834100Y Power saver for fluorescent lamp
11/01/2006	CN1857039A Power converter with digital signal processor
11/01/2006	CN1857038A Ballast for at least one fluorescent high pressure discharge lamp, method for operating said lamp and lighting system comprising said lamp
11/01/2006	CN1857037A Circuit for operating high-pressure discharge lamps
11/01/2006	CN1857036A Electric power supply for at least two electrodes
11/01/2006	CN1856209A Method for controlling screen brightness of electronic device according to battery status
11/01/2006	CN1856208A Light regulating method for gas discharge lamp
11/01/2006	CN1856207A Improved control system for fluorescent light fixture
11/01/2006	CN1856206A Method and apparatus for stabilizing brightness of cold cathode tube
11/01/2006	CN1856205A Improved control system for fluorescent light fixture
11/01/2006	CN1856204A 放电灯点灯电路 Discharge lamp lighting circuit
11/01/2006	CN1856203A Load failure protection circuit and discharge lamp driving apparatus
11/01/2006	CN1856202A Electroluminance lamp driving circuit and method
11/01/2006	CN1856201A HF power device for driving discharge lamp and frequency setting method thereof
11/01/2006	CN1856200A Lamp lighter with switchable working frequency
11/01/2006	CN1855685A DC-AC converter having phase-modulated, double-ended, full-bridge topology for powering high voltage load such as cold cathode fluorescent lamp
10/2006
10/31/2006	US7129813 Wound-rotor transformer and power source device using said wound-rotor transformer
10/31/2006	US7129650 Lighting apparatus for high intensity discharge lamp
10/31/2006	US7129649 Ballast with braking inductance
10/31/2006	US7129648 Interface circuit for operating capacitive loads
10/31/2006	US7129647 Electronic ballast with programmable processor
10/31/2006	US7129639 Middle output electrodeless lighting system
10/29/2006	CA2537532A1 Multi-phase input dimmimg ballast with flyback converter and method therefor
10/26/2006	WO2006112127A1 Discharge fluorescent tube, method for driving discharge fluorescent tube, illuminator for display and display comprising such illuminator for display
10/26/2006	WO2006111422A1 Adjustable digital lighting power regulation
10/26/2006	WO2006111269A1 Operating devices with lamp regulation by analysis of the lamp temperature
10/26/2006	WO2006111263A1 Intelligent flyback-heating
10/26/2006	WO2006111257A1 Protection of an emitting branch of an interface device
10/26/2006	WO2006111187A1 Current driver circuit and method of operation therefor
10/26/2006	WO2006111123A1 Electronic reactive current oscillation-reducing ballast
10/26/2006	WO2006111122A1 Electronic reactive current oscillation-reducing ballast
10/26/2006	WO2006111121A1 Self-exciting step-up converter
10/26/2006	WO2006111120A1 Electronic ballast with phase dimmer detection
10/26/2006	WO2006110968A2 Magnetic ballast
10/26/2006	WO2006085262A3 A method and a circuit arrangement for operating a high intensity discharge lamp
10/26/2006	WO2005094502A3 Pulsed power system including a plasma opening switch

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